layui.use(['form','layer','jquery'],function(){
    var show_num=[]
    var form = layui.form,
        layer = parent.layer === undefined ? layui.layer : top.layer
        $ = layui.jquery;

    $(".loginBody .seraph").click(function(){
        layer.msg("这只是做个样式，至于功能，你见过哪个后台能这样登录的？还是老老实实的找管理员去注册吧",{
            time:5000
        });
    })


    //生成验证码
    draw(show_num)
    //点击图片出发验证码刷新
    $("#canvas").on('click',function () {
        draw(show_num)
    })
    //生成验证码
    function draw(show_num) {
        var canvas_width = $('#canvas').width();
        var canvas_height = $('#canvas').height();
        var canvas = document.getElementById("canvas");//获取到canvas的对象，演员
        var context = canvas.getContext("2d");//获取到canvas画图的环境，演员表演的舞台
        canvas.width = canvas_width;
        canvas.height = canvas_height;
        var sCode = "A,B,C,E,F,G,H,J,K,L,M,N,P,Q,R,S,T,W,X,Y,Z,1,2,3,4,5,6,7,8,9,0";
        var aCode = sCode.split(",");
        var aLength = aCode.length;//获取到数组的长度

        for (var i = 0; i <= 3; i++) {
            var j = Math.floor(Math.random() * aLength);//获取到随机的索引值
            var deg = Math.random() * 30 * Math.PI / 180;//产生0~30之间的随机弧度
            var txt = aCode[j];//得到随机的一个内容
            show_num[i] = txt.toLowerCase();
            var x = 10 + i * 20;//文字在canvas上的x坐标
            var y = 20 + Math.random() * 8;//文字在canvas上的y坐标
            context.font = "bold 23px 微软雅黑";

            context.translate(x, y);
            context.rotate(deg);

            context.fillStyle = randomColor();
            context.fillText(txt, 0, 0);

            context.rotate(-deg);
            context.translate(-x, -y);
        }
        for (var i = 0; i <= 5; i++) { //验证码上显示线条
            context.strokeStyle = randomColor();
            context.beginPath();
            context.moveTo(Math.random() * canvas_width, Math.random() * canvas_height);
            context.lineTo(Math.random() * canvas_width, Math.random() * canvas_height);
            context.stroke();
        }
        for (var i = 0; i <= 30; i++) { //验证码上显示小点
            context.strokeStyle = randomColor();
            context.beginPath();
            var x = Math.random() * canvas_width;
            var y = Math.random() * canvas_height;
            context.moveTo(x, y);
            context.lineTo(x + 1, y + 1);
            context.stroke();
        }
    }

    function randomColor() {//得到随机的颜色值
        var r = Math.floor(Math.random() * 256);
        var g = Math.floor(Math.random() * 256);
        var b = Math.floor(Math.random() * 256);
        return "rgb(" + r + "," + g + "," + b + ")";
    }

    //登录按钮
    form.on("submit(login)",function(data){
        // $(this).text("登录中...").attr("disabled","disabled").addClass("layui-disabled");
        var val=$('#code').val().toLowerCase();
        var num=show_num.join("");
        if(val==''){
            layer.msg("请输入验证码",{icon:7,time:2000},function(){})
            $("#loginbtn").text("登录").removeAttr("disabled").removeClass("layui-disabled")
        }else if(val==num){
            //调用登陆方法，向后台发送数据
            $.ajax({
                url:"/loginController/login",
                type:"GET",
                data:{uname:data.field.uname,password:data.field.password},
                success:function (res) {
                    if(res.code==200){
                        window.location.href="/page/index.jsp"
                    }else if(res.code==10001){
                        layer.msg(res.error)
                        // $("#loginbtn").text("登录").removeAttr("disabled").removeClass("layui-disabled")
                    }else if(res.code==1001){
                        layer.msg(res.msg);
                        $("#loginbtn").attr("disabled","disabled").addClass("layui-disabled");
                    }
                    else if(res.code==1002){
                        layer.msg(res.msg);
                    }
                }
            })
        }else{
            //提示验证码错误
            layer.msg("验证码有误",{icon:7,time:2000},function(){})

            //自动刷新验证码
            $(".input-val").val('')
            draw(show_num)
        }
        return false;
    });





    //表单输入效果
    $(".loginBody .input-item").click(function(e){
        e.stopPropagation();
        $(this).addClass("layui-input-focus").find(".layui-input").focus();
    })
    $(".loginBody .layui-form-item .layui-input").focus(function(){
        $(this).parent().addClass("layui-input-focus");
    })
    $(".loginBody .layui-form-item .layui-input").blur(function(){
        $(this).parent().removeClass("layui-input-focus");
        if($(this).val() != ''){
            $(this).parent().addClass("layui-input-active");
        }else{
            $(this).parent().removeClass("layui-input-active");
        }
    })
})
